Past simple and present perfect in contrast.

ppt past simple

1. Present perfect vs Past simple PRESENT PERFECT: USO Spesso con espressioni come: today , this week / month / year , rarely , once / twice a week , ever , never ... Azioni passate, avvenute in un tempo non specificato o non ancora concluso I ʼve met Alice. He hasn’t seen Amy today. Azioni passate, avvenute in un tempo specificato e già concluso PAST SIMPLE: USO Spesso con espressioni come: yesterday , last week / month / year , three days ago , in 2010 ... I met Alice yesterday . He didn’t see Amy last month .